http://www.collembola.org/key/lathriop.htm
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Last updated on
2018.11.30
by Frans Janssens

This key is still under construction.
Note that missing figures will be provided as soon as possible.
Currently, the key is in the feasibility study phase to find
out how to integrate in the checklist in a modular way
a key that has been generated with
DELTA.

nistru De tubercles fused on first thoracic segment. Oca as
microchaeta. On fifth abdominal segment Di2 as short macrochaetae. On fifth
abdominal segment Di3 as short macrochaetae.

primigenia Di fused axially on fourth abdominal segment. De
tubercles separate on first thoracic segment. Dl on head with 6 chaetae. Body
colour blue or dark blue. Chaetotaxy of lateral tubercles at least 3, 3/3, 3,
4, 5 from second thoracic segment to fourth abdominal segment. Dorsal
macrochaeta thickened, subcylindrical to fusiform. Granular areas on Af
tubercle of head four. Mandible with at least five teeth. Maxilla made of
several lamellae, including one tridentate apically and one ciliated. Ocelli 2
+ 2 conspicuous.